Item: Transmitters. NSN 6685-01-419-2990. PN: Stewart-Warner Instrument PN 506BA. Qty: 100. FOB: Destination. Also NSN 6620-01-419-2992. PN: Stewart-Warner Instrument PN 506AZ. Qty: 200. FOB: Destination. See Note 22. The offer is due on or about 31 Oct 00. See the solicitation for the actual due date.